BT Hub Green Light: 5 Quick Fix Solutions

As a BT Hub user, you have certainly noticed the LED indicator light on the device. The different BT Hub light colors are not there just for decoration. They tell us more about the functioning status of our device.

In this article we are going to focus on the BT Hub green light, what it means, what causes it, and importantly, how to fix any related issues.

Understanding The BT Hub Green Light

green light on BT Hub

The green light on your BT Hub indicates the startup process. It’s part of the boot sequence, which shouldn’t last longer than 90 seconds. During this period, your Hub is getting ready to do what it usually does.

This applies to a range of models including the BT Smart Hub 2, BT Smart Hub, and Ultrafast Smart Hub, as well as BT Home Hub 3, 4, and 5 (flashing). It’s important to understand that this is a normal operation phase, so give your BT Hub some time to completely start up before you begin using it.

What Causes The BT Hub Green Light

As stated earlier, the green light signals that your BT Hub is in its startup phase. It’s initializing its systems to provide you with the optimum broadband service. This isn’t a signal of a problem or error but rather an essential part of the device’s operation.

However, if you notice that the green logit doesn’t change into solid blue, then you should check some things and see if you can help it overcome the issue and connect to your broadband.

Fixing The BT Hub Green Light Issue

When the green light on your BT Hub lasts longer than usual, it’s time to troubleshoot. Here are a few tips and solutions on how to fix this issue.

Give The Hub Some Time

Give the BT hub some time

Despite the 90-second guideline, sometimes your BT Hub may require a bit more time to properly initialize. This could be due to a number of different factors.

Here’s how to approach it:

  • If the green light remains on after 90 seconds, don’t rush to intervene. Allow an additional few minutes for the Hub to complete its startup sequence.
  • During this time, avoid using any device connected to the Hub as it might interrupt the process.
  • After giving it some extra time, if the green light still persists, you can then proceed to try the other solutions.

Patience can sometimes be the simplest solution when it comes to technology. By allowing your BT Hub a little more time to start up, you may find the green light issue resolves itself without needing further action.

However, if the green light remains on for an extended period, don’t hesitate to try the following solution or contact BT support.

Restart Your BT Hub

The first and often most effective step you can take is to restart your BT Hub. This process can clear minor glitches or software issues that might be causing the green light to stay on longer than usual.

Here’s how you do it:

  • Unplug your BT Hub from the power source.
  • Wait for around 2-3 minutes. This gives the device enough time to clear its system.
  • Reconnect the BT Hub to the power source.
  • Wait for the Hub to go through its startup sequence and check if the green light switches off after about 90 seconds.

Check Your Hub’s Connections

The issue could also be due to loose or faulty cables or connections. Making sure that all the cables are properly connected can sometimes solve the problem.

Follow these steps:

  • Inspect the power cable connection to the Hub and the power outlet.
  • Check the cable connections from your BT Hub to your devices.
  • Look for signs of physical damage to the cables that might affect the connection.

Factory Reset The BT Hub

Reset button on BT Hub

If none of the already mentioned solutions work, performing a factory reset on your BT Hub may solve the issue.

NOTE: A factory reset will restore the Hub to its default settings. Any personalized settings such as Wi-Fi passwords or specific network configurations will be lost.

Here’s how you perform a factory reset:

  • Locate the ‘Reset’ or ‘Factory Reset’ button on your BT Hub. It’s typically a small, recessed button to prevent accidental presses.
  • Using a paperclip or a similar pointed object, press and hold the ‘Reset’ button for around 5 seconds.
  • Release the button and wait for the BT Hub to restart.

The BT Hub will now begin its startup sequence, indicated by the green light. This should last a few minutes. Once completed, the green light should turn off, signaling that your BT Hub is ready for use.

If the light remains green for an unusually long period, it’s advisable to contact BT support for further assistance.

Contact BT Support

If none of the above solutions work, it might indicate a more serious issue that requires professional help.

To reach out to BT support:

  • Visit BT’s official website.
  • Scroll down and click on the navigate to the ‘Contact BT’ section.
  • Choose Technical Support and then Broadband or Full Fibre.
  • Choose your preferred method of contacting them. There are several available options.

Frequently Asked Questions

Can the BT Hub green light affect my internet connection?

Generally, the green light on your BT Hub indicates the startup phase and should not affect your internet connection. However, if it lasts longer than usual, it might suggest a problem that could potentially disrupt your service.

Does the BT Hub green light mean there’s a problem with my device?

Not necessarily. The green light on your BT Hub is a normal part of its boot sequence. If it stays on for longer than 90 seconds, though, you may need to investigate further or contact BT support.

Are the BT Home Hub 4 and 5 green lights the same as other BT Hubs?

Yes, the green lights function the same across different BT Hub models, including the BT Home Hub 4 and 5. They indicate the startup phase and should turn off after about 90 seconds.

Does the BT Hub green light flash or stay steady during startup?

During the startup phase, the BT Hub green light stays steady. However, for BT Home Hub 4 and 5, the light might flash during this period.


Understanding the green light as well as other light colors on your BT Hub is essential to ensure the smooth operation of your device and uninterrupted broadband service. Although the green light is part of the boot sequence, if you notice that it lasts longer than usual, you should follow the steps given above to resolve the issue.

Remember, there’s always help available. If you are afraid that you will mess something up or you just can’t fix the issue, please get in touch with BT support.